<div dir="ltr">It looks like some of the higher-end Haswell CPUs from Intel have a 128MB L4 cache: <a href="http://anandtech.com/show/6993/intel-iris-pro-5200-graphics-review-core-i74950hq-tested/3">http://anandtech.com/show/6993/intel-iris-pro-5200-graphics-review-core-i74950hq-tested/3</a><div>
<br></div><div style>From the block diagram, it appears that the L4 *is not* partition like the L3---perhaps there is no need for hashing. Maybe page coloring would work at the L4 level?</div><div style><br></div><div style>
Also, Haswell has some support for transactional memory.</div><div style><br></div><div style>-Glenn</div></div>